Catalysis in Green Chemistry and Engineering
Publicou 4 edições por ano
ISSN Imprimir: 2572-9896
ISSN On-line: 2572-990X
H-Index:
2
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NOVELTIES OF Mg-Al CALCINED HYDROTALCITE CATALYZED ONE-POT SYNTHESIS OF 2-PHENYL-1,3-DINITROPROPANE: REACTION MECHANISM AND KINETICS
Volume 1,
Edição 3, 2018,
pp. 277-291
DOI: 10.1615/CatalGreenChemEng.2018028174
RESUMO
Aryl-substituted dinitroalkanes are important synthons in organic chemistry. 2-Phenyl-1,3-dinitropropane was synthesized using Mg-Al calcined hydrotalcite as a solid base catalyst. The reaction proceeds through nitroaldol condensation, followed by a Michael-type addition. The effects of various parameters were studied. A catalyst with Mg-Al ratio of 3:1 was found to be the most active. Selectivity of 100% was obtained for the desired product. The catalyst could readily be recycled without much loss of activity. A kinetic model was developed based on the experimental data.
Palavras-chave: heterogeneous catalysis, hydrotalcite, solid base, nitroaldol, Michael addition, kinetics
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